The company's best selling model now comes with various features including fresh interiors and higher fuel efficiency of 24.7 km/l of petrol, around 9% improvement over the earlier version, MSI said in a statement.

In CNG mode, the Alto 800 offers a mileage of 33.44 km/kg an improvement of around 10%, it added.

"The new Alto 800 is technologically advanced with latest convenience and class leading safety features...Above all it comes with improved mileage," MSI Executive Director Marketing and Sales RS Kalsi said.

Alto has remained the country's top selling model for more than 12 years in a row. It is the only Indian car brand to cross the historic 30 lakh sales milestone.

The brand contributes to almost 18 to 20% of Maruti Suzuki's sales in India.

The updated version of the car now comes with new bumper and grille, headlamps and two new colours - Mojito Green and Cerulean Blue.

The vehicle is available with a driver airbag as an option from the base variant onwards. On the higher trims the Alto 800 comes with a rear door child lock.

Other features like remote keyless entry, smart storage spaces like rear bottle holder and co-driver side map pocket have also been introduced in the Alto 800.